High Power 850/980/1060 Fiber Optic Isolator

up to 5W CW
  • Low Insertion Loss
  • High Isolation
  • High Stability
  • High Reliability
  • High Power
  • Cost Effective


Click 'Spec Sheet' for available configurations/part#


The OI Series High Power Optical Isolator is designed for high power applications by guiding light in the normal direction while block back reflection the reverse direction. With Photonwares’s proprietary in-fiber beam expansion technology that scale down the power density, these components can intrinsic handle optical power beyond 20W.    With our proprietary magnetic-optics technology and proven advanced micro optics design, it features low insertion loss, high isolation, compact structure, and high stability. They are tested under high power before shipping. This product has leading industrial performance. The OI isolator can be made using a variety of fibers including HI980, HI1060, LMA and other double cladding fibers.  Customized designs are available to meet special applications.


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OI Series Min Typical Max Unit
Operation Wavelength 840 850 860 nm
970 980 990
1050 1060 1070
Insertion Loss3 0.8 1.2 dB
Wavelength Dependent Loss 0.2 dB
Isolation2 25 30
Polarization Dependent Loss (PI only)   0.1 0.2 dB
Polarization Mode Dispersion (PI only) 0.2 ps
Extinction Ratio (PM only) 20 25
Return Loss 50 dB
Optical Power Handling Up to 5 W1
Storage Temperature -10 60 ºC
Fiber Type See order information
Package Dimension (L)61x(W)34x(H)33 mm

Note: 1 continue power level.  For pulse application, please call.

2 Back Reflect<10%.  For>10% application, please call us.

  1. Excluding connectors.